about us
      Xi'an ruixi Biological Technology Co.,Ltd was founded in 2012 in china. Our company sells research regeats related to nano targeted drug delivery system, including synthetic phospholipid, polyethylene glycol derivatives, block copolymers, gold nanoparticles, magnetic nanoparticles and fluorescent dyes. The scientists of our group all come from the outstanding university of China, who have strong academic background in chemistry, biology and nanotechnology. The quality of our products is strictly control druing the preparation. In the furture, we will keep on develop new products of high-tech.
Our advantage
  • 01

    High quality

    We guarantee the superior quality of our  products We can provide real analytical  data, such as 1H-NMR spectra, Gel  Permeation Chromatography(GPC), T EM and VSM for each lot .
  • 02

    Lower prices

    Worldwide ,compare the prices with our competitors,we provide lower pricing for our products

  • 03

    customer service

    We will refund unconditionally due to the product quality problems

  • 04

    high-tech products

    We guarantee the superior quality of our  products We can provide real analytical  data, such as 1H-NMR spectra, Gel Permeation Chromatography(GPC), T  EM and VSM for each lot.

Product introduction
  • DSPE-PEG(FITC,Biotin)

    FITC labeled or biotinylated DSPE-PEG copolymer

  • PLGA-SS-PEG and PEG-Hyd-PLGA

    We can provide PLGA-SS-PEG-X and PLGA-Hyd-PEG-X,X=NH2/NHS/MAL/COOH/Folate/FITC

  • Magnetic Fe3O4 nanoparticles coated by mesoporous silica

    We can provide 60nm magnetic mesoporous silica nanoparticles with pore of 3-4nm, which surface can be modified by FITC flsorescence or amination.

  • Magnetic Fe3O4 nanoparticles modified by fluid perfluorocarbon

    We can provide Magnetic Fe3O4 nanoparticles coated by Au, in which Au shell is of 5-20 nm and magnetic Fe3O4 core is 60-100 nm.

  • GoldMag nanoparticles

    We can provide Magnetic Fe3O4 nanoparticles coated by Au, in which Au shell is of 5-20 nm and magnetic Fe3O4 core is 60-100 nm.